package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("smc.png");
        FileOutputStream fos = new FileOutputStream("smc_cp.png");
        long start = System.currentTimeMillis();
        byte[]data =new byte[1024*10];
        int len;
        while (fis.read(data)!=-1){
            fos.write(data);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完毕!耗时:"+(end-start)+"毫秒");

        fos.close();
        fis.close();
    }
}
